git:rejected because the tip of your current branch is behind

问题发生在向远程push代码时：

相信提示信息：

hint: Updates were rejected because the tip of your current branch is behind

缘由：

当前分支低于主版本

解决办法：

sudo git push -u origin mfy -f  //其中mfy是你的分支名

这样就就能正常提交了，截图：